<?php $start = memory_get_usage(); $names = array_fill(0, 1000, array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)); echo "10k values in a 1000x10 matrix: ", round((memory_get_usage()-$start)/1024),"KB\n"; $names = array_merge(...$names); echo "Same 10k values in a plain vector: ", round((memory_get_usage()-$start)/1024),"KB\n";
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